drivers/dma/Kconfig

   1 #
   2 # DMA engine configuration
   3 #
   4
   5 menuconfig DMADEVICES
   6         bool "DMA Engine support"
   7         depends on HAS_DMA
   8         help
   9           DMA engines can do asynchronous data transfers without
  10           involving the host CPU.  Currently, this framework can be
  11           used to offload memory copies in the network stack and
  12           RAID operations in the MD driver.  This menu only presents
  13           DMA Device drivers supported by the configured arch, it may
  14           be empty in some cases.
  15
  16 config DMADEVICES_DEBUG
  17         bool "DMA Engine debugging"
  18         depends on DMADEVICES != n
  19         help
  20           This is an option for use by developers; most people should
  21           say N here.  This enables DMA engine core and driver debugging.
  22
  23 config DMADEVICES_VDEBUG
  24         bool "DMA Engine verbose debugging"
  25         depends on DMADEVICES_DEBUG != n
  26         help
  27           This is an option for use by developers; most people should
  28           say N here.  This enables deeper (more verbose) debugging of
  29           the DMA engine core and drivers.
  30
  31
  32 if DMADEVICES
  33
  34 comment "DMA Devices"
  35
  36 config INTEL_MIC_X100_DMA
  37         tristate "Intel MIC X100 DMA Driver"
  38         depends on 64BIT && X86 && INTEL_MIC_BUS
  39         select DMA_ENGINE
  40         help
  41           This enables DMA support for the Intel Many Integrated Core
  42           (MIC) family of PCIe form factor coprocessor X100 devices that
  43           run a 64 bit Linux OS. This driver will be used by both MIC
  44           host and card drivers.
  45
  46           If you are building host kernel with a MIC device or a card
  47           kernel for a MIC device, then say M (recommended) or Y, else
  48           say N. If unsure say N.
  49
  50           More information about the Intel MIC family as well as the Linux
  51           OS and tools for MIC to use with this driver are available from
  52           <http://software.intel.com/en-us/mic-developer>.
  53
  54 config INTEL_MID_DMAC
  55         tristate "Intel MID DMA support for Peripheral DMA controllers"
  56         depends on PCI && X86
  57         select DMA_ENGINE
  58         default n
  59         help
  60           Enable support for the Intel(R) MID DMA engine present
  61           in Intel MID chipsets.
  62
  63           Say Y here if you have such a chipset.
  64
  65           If unsure, say N.
  66
  67 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
  68         bool
  69
  70 config AMBA_PL08X
  71         bool "ARM PrimeCell PL080 or PL081 support"
  72         depends on ARM_AMBA
  73         select DMA_ENGINE
  74         select DMA_VIRTUAL_CHANNELS
  75         help
  76           Platform has a PL08x DMAC device
  77           which can provide DMA engine support
  78
  79 config INTEL_IOATDMA
  80         tristate "Intel I/OAT DMA support"
  81         depends on PCI && X86
  82         select DMA_ENGINE
  83         select DMA_ENGINE_RAID
  84         select DCA
  85         help
  86           Enable support for the Intel(R) I/OAT DMA engine present
  87           in recent Intel Xeon chipsets.
  88
  89           Say Y here if you have such a chipset.
  90
  91           If unsure, say N.
  92
  93 config INTEL_IOP_ADMA
  94         tristate "Intel IOP ADMA support"
  95         depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
  96         select DMA_ENGINE
  97         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
  98         help
  99           Enable support for the Intel(R) IOP Series RAID engines.
 100
 101 source "drivers/dma/dw/Kconfig"
 102
 103 config AT_HDMAC
 104         tristate "Atmel AHB DMA support"
 105         depends on ARCH_AT91
 106         select DMA_ENGINE
 107         help
 108           Support the Atmel AHB DMA controller.
 109
 110 config FSL_DMA
 111         tristate "Freescale Elo series DMA support"
 112         depends on FSL_SOC
 113         select DMA_ENGINE
 114         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 115         ---help---
 116           Enable support for the Freescale Elo series DMA controllers.
 117           The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
 118           EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
 119           some Txxx and Bxxx parts.
 120
 121 config MPC512X_DMA
 122         tristate "Freescale MPC512x built-in DMA engine support"
 123         depends on PPC_MPC512x || PPC_MPC831x
 124         select DMA_ENGINE
 125         ---help---
 126           Enable support for the Freescale MPC512x built-in DMA engine.
 127
 128 source "drivers/dma/bestcomm/Kconfig"
 129
 130 config MV_XOR
 131         bool "Marvell XOR engine support"
 132         depends on PLAT_ORION
 133         select DMA_ENGINE
 134         select DMA_ENGINE_RAID
 135         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 136         ---help---
 137           Enable support for the Marvell XOR engine.
 138
 139 config MX3_IPU
 140         bool "MX3x Image Processing Unit support"
 141         depends on ARCH_MXC
 142         select DMA_ENGINE
 143         default y
 144         help
 145           If you plan to use the Image Processing unit in the i.MX3x, say
 146           Y here. If unsure, select Y.
 147
 148 config MX3_IPU_IRQS
 149         int "Number of dynamically mapped interrupts for IPU"
 150         depends on MX3_IPU
 151         range 2 137
 152         default 4
 153         help
 154           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 155           To avoid bloating the irq_desc[] array we allocate a sufficient
 156           number of IRQ slots and map them dynamically to specific sources.
 157
 158 config TXX9_DMAC
 159         tristate "Toshiba TXx9 SoC DMA support"
 160         depends on MACH_TX49XX || MACH_TX39XX
 161         select DMA_ENGINE
 162         help
 163           Support the TXx9 SoC internal DMA controller.  This can be
 164           integrated in chips such as the Toshiba TX4927/38/39.
 165
 166 config TEGRA20_APB_DMA
 167         bool "NVIDIA Tegra20 APB DMA support"
 168         depends on ARCH_TEGRA
 169         select DMA_ENGINE
 170         help
 171           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 172           DMA controller is having multiple DMA channel which can be
 173           configured for different peripherals like audio, UART, SPI,
 174           I2C etc which is in APB bus.
 175           This DMA controller transfers data from memory to peripheral fifo
 176           or vice versa. It does not support memory to memory data transfer.
 177
 178 config S3C24XX_DMAC
 179         tristate "Samsung S3C24XX DMA support"
 180         depends on ARCH_S3C24XX && !S3C24XX_DMA
 181         select DMA_ENGINE
 182         select DMA_VIRTUAL_CHANNELS
 183         help
 184           Support for the Samsung S3C24XX DMA controller driver. The
 185           DMA controller is having multiple DMA channels which can be
 186           configured for different peripherals like audio, UART, SPI.
 187           The DMA controller can transfer data from memory to peripheral,
 188           periphal to memory, periphal to periphal and memory to memory.
 189
 190 source "drivers/dma/sh/Kconfig"
 191
 192 config COH901318
 193         bool "ST-Ericsson COH901318 DMA support"
 194         select DMA_ENGINE
 195         depends on ARCH_U300
 196         help
 197           Enable support for ST-Ericsson COH 901 318 DMA.
 198
 199 config STE_DMA40
 200         bool "ST-Ericsson DMA40 support"
 201         depends on ARCH_U8500
 202         select DMA_ENGINE
 203         help
 204           Support for ST-Ericsson DMA40 controller
 205
 206 config AMCC_PPC440SPE_ADMA
 207         tristate "AMCC PPC440SPe ADMA support"
 208         depends on 440SPe || 440SP
 209         select DMA_ENGINE
 210         select DMA_ENGINE_RAID
 211         select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 212         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 213         help
 214           Enable support for the AMCC PPC440SPe RAID engines.
 215
 216 config TIMB_DMA
 217         tristate "Timberdale FPGA DMA support"
 218         depends on MFD_TIMBERDALE
 219         select DMA_ENGINE
 220         help
 221           Enable support for the Timberdale FPGA DMA engine.
 222
 223 config SIRF_DMA
 224         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 225         depends on ARCH_SIRF
 226         select DMA_ENGINE
 227         help
 228           Enable support for the CSR SiRFprimaII DMA engine.
 229
 230 config TI_EDMA
 231         bool "TI EDMA support"
 232         depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
 233         select DMA_ENGINE
 234         select DMA_VIRTUAL_CHANNELS
 235         select TI_PRIV_EDMA
 236         default n
 237         help
 238           Enable support for the TI EDMA controller. This DMA
 239           engine is found on TI DaVinci and AM33xx parts.
 240
 241 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 242         bool
 243
 244 config PL330_DMA
 245         tristate "DMA API Driver for PL330"
 246         select DMA_ENGINE
 247         depends on ARM_AMBA
 248         help
 249           Select if your platform has one or more PL330 DMACs.
 250           You need to provide platform specific settings via
 251           platform_data for a dma-pl330 device.
 252
 253 config PCH_DMA
 254         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 255         depends on PCI && (X86_32 || COMPILE_TEST)
 256         select DMA_ENGINE
 257         help
 258           Enable support for Intel EG20T PCH DMA engine.
 259
 260           This driver also can be used for LAPIS Semiconductor IOH(Input/
 261           Output Hub), ML7213, ML7223 and ML7831.
 262           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 263           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 264           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 265           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 266
 267 config IMX_SDMA
 268         tristate "i.MX SDMA support"
 269         depends on ARCH_MXC
 270         select DMA_ENGINE
 271         help
 272           Support the i.MX SDMA engine. This engine is integrated into
 273           Freescale i.MX25/31/35/51/53 chips.
 274
 275 config IMX_DMA
 276         tristate "i.MX DMA support"
 277         depends on ARCH_MXC
 278         select DMA_ENGINE
 279         help
 280           Support the i.MX DMA engine. This engine is integrated into
 281           Freescale i.MX1/21/27 chips.
 282
 283 config MXS_DMA
 284         bool "MXS DMA support"
 285         depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
 286         select STMP_DEVICE
 287         select DMA_ENGINE
 288         help
 289           Support the MXS DMA engine. This engine including APBH-DMA
 290           and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
 291
 292 config EP93XX_DMA
 293         bool "Cirrus Logic EP93xx DMA support"
 294         depends on ARCH_EP93XX
 295         select DMA_ENGINE
 296         help
 297           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 298
 299 config DMA_SA11X0
 300         tristate "SA-11x0 DMA support"
 301         depends on ARCH_SA1100
 302         select DMA_ENGINE
 303         select DMA_VIRTUAL_CHANNELS
 304         help
 305           Support the DMA engine found on Intel StrongARM SA-1100 and
 306           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 307           devices.
 308
 309 config MMP_TDMA
 310         bool "MMP Two-Channel DMA support"
 311         depends on ARCH_MMP
 312         select DMA_ENGINE
 313         select MMP_SRAM
 314         help
 315           Support the MMP Two-Channel DMA engine.
 316           This engine used for MMP Audio DMA and pxa910 SQU.
 317           It needs sram driver under mach-mmp.
 318
 319           Say Y here if you enabled MMP ADMA, otherwise say N.
 320
 321 config DMA_OMAP
 322         tristate "OMAP DMA support"
 323         depends on ARCH_OMAP
 324         select DMA_ENGINE
 325         select DMA_VIRTUAL_CHANNELS
 326
 327 config DMA_BCM2835
 328         tristate "BCM2835 DMA engine support"
 329         depends on ARCH_BCM2835
 330         select DMA_ENGINE
 331         select DMA_VIRTUAL_CHANNELS
 332
 333 config TI_CPPI41
 334         tristate "AM33xx CPPI41 DMA support"
 335         depends on ARCH_OMAP
 336         select DMA_ENGINE
 337         help
 338           The Communications Port Programming Interface (CPPI) 4.1 DMA engine
 339           is currently used by the USB driver on AM335x platforms.
 340
 341 config MMP_PDMA
 342         bool "MMP PDMA support"
 343         depends on (ARCH_MMP || ARCH_PXA)
 344         select DMA_ENGINE
 345         help
 346           Support the MMP PDMA engine for PXA and MMP platform.
 347
 348 config DMA_JZ4740
 349         tristate "JZ4740 DMA support"
 350         depends on MACH_JZ4740
 351         select DMA_ENGINE
 352         select DMA_VIRTUAL_CHANNELS
 353
 354 config K3_DMA
 355         tristate "Hisilicon K3 DMA support"
 356         depends on ARCH_HI3xxx
 357         select DMA_ENGINE
 358         select DMA_VIRTUAL_CHANNELS
 359         help
 360           Support the DMA engine for Hisilicon K3 platform
 361           devices.
 362
 363 config MOXART_DMA
 364         tristate "MOXART DMA support"
 365         depends on ARCH_MOXART
 366         select DMA_ENGINE
 367         select DMA_OF
 368         select DMA_VIRTUAL_CHANNELS
 369         help
 370           Enable support for the MOXA ART SoC DMA controller.
 371
 372 config FSL_EDMA
 373         tristate "Freescale eDMA engine support"
 374         depends on OF
 375         select DMA_ENGINE
 376         select DMA_VIRTUAL_CHANNELS
 377         help
 378           Support the Freescale eDMA engine with programmable channel
 379           multiplexing capability for DMA request sources(slot).
 380           This module can be found on Freescale Vybrid and LS-1 SoCs.
 381
 382 config XILINX_VDMA
 383         tristate "Xilinx AXI VDMA Engine"
 384         depends on (ARCH_ZYNQ || MICROBLAZE)
 385         select DMA_ENGINE
 386         help
 387           Enable support for Xilinx AXI VDMA Soft IP.
 388
 389           This engine provides high-bandwidth direct memory access
 390           between memory and AXI4-Stream video type target
 391           peripherals including peripherals which support AXI4-
 392           Stream Video Protocol.  It has two stream interfaces/
 393           channels, Memory Mapped to Stream (MM2S) and Stream to
 394           Memory Mapped (S2MM) for the data transfers.
 395
 396 config DMA_SUN6I
 397         tristate "Allwinner A31 SoCs DMA support"
 398         depends on MACH_SUN6I || COMPILE_TEST
 399         depends on RESET_CONTROLLER
 400         select DMA_ENGINE
 401         select DMA_VIRTUAL_CHANNELS
 402         help
 403           Support for the DMA engine for Allwinner A31 SoCs.
 404
 405 config NBPFAXI_DMA
 406         tristate "Renesas Type-AXI NBPF DMA support"
 407         select DMA_ENGINE
 408         depends on ARM || COMPILE_TEST
 409         help
 410           Support for "Type-AXI" NBPF DMA IPs from Renesas
 411
 412 config DMA_ENGINE
 413         bool
 414
 415 config DMA_VIRTUAL_CHANNELS
 416         tristate
 417
 418 config DMA_ACPI
 419         def_bool y
 420         depends on ACPI
 421
 422 config DMA_OF
 423         def_bool y
 424         depends on OF
 425         select DMA_ENGINE
 426
 427 comment "DMA Clients"
 428         depends on DMA_ENGINE
 429
 430 config NET_DMA
 431         bool "Network: TCP receive copy offload"
 432         depends on DMA_ENGINE && NET
 433         default (INTEL_IOATDMA || FSL_DMA)
 434         depends on BROKEN
 435         help
 436           This enables the use of DMA engines in the network stack to
 437           offload receive copy-to-user operations, freeing CPU cycles.
 438
 439           Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
 440           say N.
 441
 442 config ASYNC_TX_DMA
 443         bool "Async_tx: Offload support for the async_tx api"
 444         depends on DMA_ENGINE
 445         help
 446           This allows the async_tx api to take advantage of offload engines for
 447           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 448           a dma engine that can perform raid operations and you have enabled
 449           MD_RAID456 say Y.
 450
 451           If unsure, say N.
 452
 453 config DMATEST
 454         tristate "DMA Test client"
 455         depends on DMA_ENGINE
 456         help
 457           Simple DMA test client. Say N unless you're debugging a
 458           DMA Device driver.
 459
 460 config DMA_ENGINE_RAID
 461         bool
 462
 463 config QCOM_BAM_DMA
 464         tristate "QCOM BAM DMA support"
 465         depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
 466         select DMA_ENGINE
 467         select DMA_VIRTUAL_CHANNELS
 468         ---help---
 469           Enable support for the QCOM BAM DMA controller.  This controller
 470           provides DMA capabilities for a variety of on-chip devices.
 471
 472 endif